Hi Matt, Thanks for the reply. I thought I could do that, but it doesn't seem to work. My filter categories are KSCATEGORY_AUDIO and KSCATEGORY_RENDER. My sink pin is KSCATEGORY_AUDIO, and my source pin is currently KSNODETYPE_SPEAKER. (It seems like I need to do this or else my volume controls don't get exposed.) I am not using KSCATEGORY_CAPTURE anywhere, and yet it seems like sysaudio just figures that since there is a source pin that allows connections, it MUST be a capture device. Jeff -----Original Message----- From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Matt Gonzalez Sent: Tuesday, April 25, 2006 1:54 PM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] Re: Source pins and Sysaudio Couldn't you just change the category GUID for the pin in question? Matt Jeff Claar wrote: > Hi everyone, > > I have an AVStream filter that has one sink pin and one source pin. > However, the source pin is not meant to be used as a Capture > device...rather, my driver internally connects the source pin to another > sink pin on another filter. > > My problem is that Sysaudio is seeing my source pin and assuming that my > filter is a capture device, and so my device is showing up as a > recording device in the Sounds and Audio control panel. I need this > source pin to connect to the sink pin, so I can't get rid of it, and if > I change the communication parameters, I can no longer connect to the > sink pin. > > Is there a way to prevent Sysaudio from assuming my source pin is a > capture pin? > > Thanks for any help, > Jeff > ****************** > > WDMAUDIODEV addresses: > Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx > Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe > Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe > Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx > > URL to WDMAUDIODEV page: > http://www.wdmaudiodev.com/ > > ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/ ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.com/